Home / 1,299,349.88-1,793,051.40-718,535.31

Finding the Fourth Proportional to 1,299,349.88, 1,793,051.40 and 718,535.31

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Solution

The fourth proportional to 1,299,349.88, 1,793,051.40 and 718,535.31 is: 991,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,349.88 : 1,793,051.40 = 718,535.31 : x
  2. Step 2: Convert to fraction form
    1,299,349.88/1,793,051.40 = 718,535.31/x
  3. Step 3: Cross multiply
    1,299,349.88x = 1,793,051.40 × 718,535.31
  4. Step 4: Simplify right side
    1,299,349.88x = 1,288,370,743,544.93
  5. Step 5: Solve for x
    x = 1,288,370,743,544.93/1,299,349.88
  6. Step 6: Final answer
    x = 991,550.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.